/Engine/Plugins/Experimental/PCG/Source/PCG/Public/Metadata/PCGMetadataAccessor.h
Assigns a metadata entry but does not copy values if from a non-parented metadata
static void InitializeMetadataWithParent ( [FPCGPoint](API\Plugins\PCG\FPCGPoint) & Point, [UPCGMetadata](API\Plugins\PCG\Metadata\UPCGMetadata) * Metadata, const [FPCGPoint](API\Plugins\PCG\FPCGPoint) & ParentPoint, const [UPCGMetadata](API\Plugins\PCG\Metadata\UPCGMetadata) * ParentMetadata )